Plant Biology Images

These images are provided for home study for students of BOT 201 and 202 at Eastern Oregon University. Anyone else is free to use them for similar purpose, but not for commercial reproduction. Comments or suggestions? E-mail me at kantell@eou.edu.

The following topics currently are available. To select an image, click on its title.

Herbaceous Stems
Leaves
Roots
Embryos
Fruits
Fungi
Protista
Non-vascular plants (Mosses, Liverworts)
Seedless vascular plants
Pinus reproduction
Angiosperm reproduction

Herbaceous Stems

Coleus stem tip

Helianthus (Sunflower) stem x-sec.

Helianthus (Sunflower) vascular bundle x-sec.

Zea (Corn) stem x-sec.

Zea (Corn) stem x-sec.

Leaves

Ligustrum leaf x-sec.

Ligustrum (Privet) leaf x-sec.

Corn (Zea) leaf x-sec.

Nerium (Oleander) leaf x-sec.

Waterlily leaf x-sec.

Cluvia leaf x-sec.

Pinus leaf x-sec.

Juglans (Walnut) cleared leaf

Ammophila cleared leaf

Tradescantia stomata

Simple leaf, pinnate venation

Simple leaf, palmate-reticulate venation

Compound leaf, bipinnate

Compound leaf, palmate

Roots

Raphanus (Radish) root tip whole mount

Zea (Corn) root tip longitudinal sec.

Ranunculus (Buttercup) root x-sec.

Ranunculus (Buttercup) young root x-sec.

Ranunculus (Buttercup) mature root x-sec.

Smilax root x-sec.

Smilax root endodermis x-sec.

Lateral root origin

Root nodule with Rhizobium

Tilia root x-sec.

Woody Stems

Tilia stem x-sec.

Pinus stem x-sec.

Sambucus lenticel

Pinus wood x-sec.

Pinus wood tangential sec.

Pinus wood radial sec.

Quercus (Oak) wood x-sec.

Quercus (Oak) wood radial sec.

Quercus (Oak) wood tangential sec.

Embryos

Dicotyledon embryo

Monocotyledon embryo

Fruits

Pea, legume fruit

Strawberry

Maple, Samara

Pumpkin, Pepo

Acorn, Nut

Apple, Pome

Poppy, Capsule

Cherry, Drupe

Fungi

Zygomycotina, Rhizopus

Deuteromycotina, Penicillium

Ascomycotina, Peziza ascocarp

Peziza ascocarp 2

Ascospores in ascocarp

Crustose lichen, Ascomycotina

Ascocarp, Ascomycotina

Fruticose lichen, Ascomycotina

Lichen thallus

Basidiocarp, Basidiomycotina

Coprinus gills, Basidiomycotina

Coprinus gills 2

Wheat rust receptive hyphae

Wheat rust aeciospores

Wheat rust urediniospores

Wheat rust teliospores

Orchid root with endomycorrhizae

Protista (Algae)

Euglenophyta Euglena

Chrysophyta Diatoms

Chlorophyta Volvox (Colonial)

Chlorophyta Oedogonium (Filamentous)

Chlorophyta Spirogyra (Filamentous)

Non-vascular plants (Mosses, Liverworts)

Moss leaf

Moss protonemata

Moss gametophytes and sporophytes

Moss capsule

Moss antheridia

Moss archegonia

Marchantia thallus

Marchantia archegonia

Marchantia antheridia

Seedless Vascular Plants

Lycopodium strobilus

Lycopodium leaf X-sec.

Selaginella strobilus

Selaginella new sporophyte

Equisetum strobilus

Equisetum spores

Fern antheridium whole mount

Fern antheridium 100X

Fern archegonium

Fern new sporophyte

Fern sporangia, indusium

Pinus reproduction

Pinus male cone

Pinus pollen in microsporangium

Pinus pollen germinating

Young ovulate cone

Megasporocyte

Free-nuclear stage

Mature ovule

Fertilization

Young embryo 1

Mature embryo

Angiosperm reproduction

Early flower bud

Microsporogenesis Prophase I

Microsporogenesis Metaphase I

Microsporogenesis M etaphase II

Microspore Tetrads

Microspores

Mature pollen

Lily megasporocyte

Metaphase I meiosis

Four megaspores

Second mitotic division

Third mitotic division

Eight-celled stage

Fertilization

Early embryo

Lily fruit

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